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Inclusion of additional constraints (typically a penalty for complexity) in the model fitting process. Used to prevent overfitting / enhance predictive accuracy.

1 vote

Data augmentation on training set only?

Complementing the answers, let my add my 2 cents regarding test-time data augmentation. Data augmentation can be also performed during test-time with the goal of reducing variance. It can be performe …
Fábio Perez's user avatar